netdev - [PATCH iproute2-next 3/9] tc: convert stats print to json

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Message-Id: <20180709194856.18922-4-stephen@networkplumber.org>
Date:   Mon,  9 Jul 2018 12:48:50 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     netdev@...r.kernel.org
Cc:     Stephen Hemminger <sthemmin@...rosoft.com>
Subject: [PATCH iproute2-next 3/9] tc: convert stats print to json

From: Stephen Hemminger <sthemmin@...rosoft.com>

Convert compatiablity statistics to print in JSON.

Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>
---
 tc/tc_util.c | 32 ++++++++++++++++++++++----------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/tc/tc_util.c b/tc/tc_util.c
index e8e1241d083d..05b6c97563b3 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -887,25 +887,37 @@ void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
 		/* handle case where kernel returns more/less than we know about */
 		memcpy(&st, RTA_DATA(tb[TCA_STATS]), MIN(RTA_PAYLOAD(tb[TCA_STATS]), sizeof(st)));
 
-		fprintf(fp, "%sSent %llu bytes %u pkts (dropped %u, overlimits %u) ",
-			prefix, (unsigned long long)st.bytes, st.packets, st.drops,
-			st.overlimits);
+		print_string(PRINT_FP, NULL, "%sSent ", prefix);
+		print_u64(PRINT_ANY, "bytes", "%llu bytes ", (unsigned long long)st.bytes);
+		print_uint(PRINT_ANY, "packets", "%u pkts ", st.packets);
+		print_uint(PRINT_ANY, "dropped", "(dropped %u, ", st.drops);
+		print_uint(PRINT_ANY, "overlimits", "overlimits %u) ", st.overlimits);
 
 		if (st.bps || st.pps || st.qlen || st.backlog) {
-			fprintf(fp, "\n%s", prefix);
+			print_string(PRINT_FP, "%s%s", _SL_, prefix);
+
 			if (st.bps || st.pps) {
-				fprintf(fp, "rate ");
+				print_string(PRINT_FP, NULL, "%s", "rate ");
+				print_uint(PRINT_JSON, "rate", NULL, st.bps);
 				if (st.bps)
-					fprintf(fp, "%s ", sprint_rate(st.bps, b1));
+					print_string(PRINT_FP, NULL, "%s ",
+						     sprint_rate(st.bps, b1));
+
+				print_uint(PRINT_JSON, "pps", NULL, st.pps);
 				if (st.pps)
-					fprintf(fp, "%upps ", st.pps);
+					print_uint(PRINT_FP, NULL, "%upps ", st.pps);
 			}
 			if (st.qlen || st.backlog) {
-				fprintf(fp, "backlog ");
+				print_string(PRINT_FP, NULL, "%s", "backlog ");
+
+				print_uint(PRINT_JSON, "backlog", NULL, st.backlog);
+				print_uint(PRINT_JSON, "qlen", NULL, st.qlen);
 				if (st.backlog)
-					fprintf(fp, "%s ", sprint_size(st.backlog, b1));
+					print_string(PRINT_FP, NULL,
+						     "%s ", sprint_size(st.backlog, b1));
 				if (st.qlen)
-					fprintf(fp, "%up ", st.qlen);
+					print_uint(PRINT_FP, NULL,
+						     "%up ", st.qlen);
 			}
 		}
 	}
-- 
2.18.0